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  1. Fast Datapath Product
  2. FDP-560

ovs-vswitchd is core dumping during worload testing

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    • Red Hat OpenStack Services on OpenShift (formerly Red Hat OpenStack Platform)

      • Following a fresh deployment of RHOSP 17.1.2 with ovs-dpdk, during workload testing, VNF vms under load testing (pushing traffic to PMD threads) are crashing and causing openvswitch restart on the ovs-dpdk hypervisor.
      • We see ovs-vswitchd coredumping in /var/log/messages:
      Stack trace of thread 4779:
      #0  0x00007fdb80aa154c __pthread_kill_implementation (libc.so.6 + 0xa154c)
      #1  0x00007fdb80a54d46 raise (libc.so.6 + 0x54d46)
      #2  0x00007fdb80a287f3 abort (libc.so.6 + 0x287f3)
      #3  0x00007fdb80a29130 __libc_message.cold (libc.so.6 + 0x29130)
      #4  0x00007fdb80aab617 malloc_printerr (libc.so.6 + 0xab617)
      #5  0x00007fdb80aacf23 _int_free (libc.so.6 + 0xacf23)
      #6  0x00007fdb80aaf955 free (libc.so.6 + 0xaf955)
      #7  0x00005574291ef211 dp_netdev_del_pmd.lto_priv.0 (/usr/sbin/ovs-vswitchd (deleted) + 0x9bd211)Stack trace of thread 4228:
      #0  0x00007fdb80b4e83e epoll_wait (libc.so.6 + 0x14e83e)
      #1  0x0000557429149a84 eal_memalloc_free_seg_bulk (/usr/sbin/ovs-vswitchd (deleted) + 0x917a84)
      #2  0x0000557400000000 n/a (n/a + 0x0)
      ELF object binary architecture: AMD x86-64 
      • RHEL 8.6 / DPDK-19.11.1 is used in the guests

       

              rh-ee-mpattric Mike Pattrick
              rhn-support-dhill Dave Hill
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